87237273278 has 16 divisors (see below), whose sum is σ = 132553106880. Its totient is φ = 43053244416.

The previous prime is 87237273257. The next prime is 87237273283.

87237273278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87237273278² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440126 + ... + 606782.

It is an arithmetic number, because the mean of its divisors is an integer number (8284569180).

Almost surely, 2^87237273278 is an apocalyptic number.

87237273278 is a deficient number, since it is larger than the sum of its proper divisors (45315833602).

87237273278 is a wasteful number, since it uses less digits than its factorization.

87237273278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170051.

The product of its digits is 11063808, while the sum is 56.

The spelling of 87237273278 in words is "eighty-seven billion, two hundred thirty-seven million, two hundred seventy-three thousand, two hundred seventy-eight".